Connection String Builder

Build a database URL with the password escaped correctly.

How to use Connection String Builder

  1. Pick the engine
  2. Fill in the details
  3. Copy the URL

About Connection String Builder

Connection String Builder is a free online developer tool that lets you build a database URL with the password escaped correctly. It runs entirely in your web browser, so there is nothing to download or install and you never need to create an account.

Simply open the tool, add your content, and get your result in seconds. A live preview lets you check the result before you download it.

Connection String Builder is 100% free with no limits, no watermarks and no sign-up. Your input is processed securely in your session and is never stored on our servers. Popular searches for this tool include Connection String Builder, Database URL Builder, Postgres Connection String.

Features

  • 100% free with no usage limits
  • Works in any browser — nothing to install
  • Instant live preview of your result
  • Mobile, tablet and desktop friendly

Benefits

  • Save time with fast, one-click processing
  • No software, no registration and no email required
  • Your data stays private — nothing is stored
  • Completely free, with no hidden costs or watermarks
  • Use it anywhere, on any device with a browser

Frequently asked questions

Is Connection String Builder free to use?

Yes, Connection String Builder is completely free with no usage limits, no watermarks and no sign-up required.

Do I need to install software or create an account?

No. The tool runs entirely in your web browser — there is nothing to download and no account to create.

Is my data stored or shared?

No. Your input is processed securely in your session and is never stored or shared.

How do I use Connection String Builder?

It takes just a few steps: pick the engine; fill in the details; copy the url.

Does Connection String Builder work on mobile and Mac/Windows?

Yes. It works in any modern browser on phones, tablets, Windows, macOS and Linux.

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